下图所示电路中，网孔1的电流方程为（）。 

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32629' and id < 2594612 and id<>'2594612' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32629' and id > 2594612 and id<>'2594612' order by id asc limit 5